Telaire T9501 | Humidity & Temperature Sensor

Relative Humidity (RH%)

Resolution	14 bit (0.01% RH)
Accuracy¹	±2.0% RH (20~80% RH) ±3.5% RH (0% to 20%) and (80% to 100%)
Repeatability	±0.2% RH
Hysteresis	±1.0% RH
Linearity	<2.0% RH
Response Time²	≤ 100 sec (63%)
Temp Coefficient	0.13% RH/°C (at 10~60°C, 10~90% RH)
Operating	0 ~ 95% RH
Long Term Drift	<0.5% RH/year (normal conditions)

Accuracies measured at 25°C, nominal voltage.
30% RH step response, measured at 25°C in a 1 m/sec air flow.

Temperature (°C)

Resolution	14 bit (0.01°C)
Accuracy¹	±0.5°C
Repeatability	±0.1°C
Response Time²	≤600 sec ( Ƭ 63%)
Operating Range³	-20°C to 70°C
Long Term Drift	<0.05°C/year (normal conditions)

Accuracies measured at 25°C, nominal voltage.
25°C step response in a 1 m/sec air flow.
Minimum design range, documented testing 0°C to 50°C.

Hardware & Environmental Specifications

Method	Capacitive polymer RH Sensor, PTAT (Proportional to Absolute) integrated temperature sensor
Operating Conditions	-30°C to 70°C 0% to 100% Relative Humidity (RH) Non Condensing
Storage Conditions	-40°C to 85°C
Output Modes	RS485 MODBUS - Configurable, 115,200 baud 8E1 Fault Protection (SN65HVD1781)
Power Supply Requirements	8-32 VDC (12 VDC) with polarity protection
Current Consumption	<10mA average typical (bus Rx mode) 70 mA Peak typical (bus Tx mode / Heat mode)
Cable	Outer Diameter: 8.00 ± 0.20mm, 4 Core, unshielded Length: 0.09m (0.3 ft)